1971421905

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1427}}^1\times {\mathrm{2971}}^1$

素因数の和:4437

約数の個数: 32

約数和(自身を含む): 3259404288

約数和(自身を除く): 1287982383

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 1427, 2971, 4281, 7135, 8913, 14855, 21405, 44237, 44565, 92101, 132711, 221185, 276303, 460505, 663555, 1381515, 4239617, 12718851, 21198085, 63594255, 131428127, 394284381, 657140635, 1971421905]

約数ペア:

[(1, 1971421905), (3, 657140635), (5, 394284381), (15, 131428127), (31, 63594255), (93, 21198085), (155, 12718851), (465, 4239617), (1427, 1381515), (2971, 663555), (4281, 460505), (7135, 276303), (8913, 221185), (14855, 132711), (21405, 92101), (44237, 44565)]